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26 April 2024

» arxiv » hep-ph/0311246

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Chiral Symmetry and Hyperfine Quark-Antiquark Splittings
Felipe J. Llanes-Estrada ; Stephen R. Cotanch ; Adam P. Szczepaniak ; Eric S. Swanson ;
Date:	20 Nov 2003
Journal:	Eur.Phys.J. C33 (2004) S521-S523
Subject:	hep-ph
Abstract:	We briefly review theoretical calculations for the pseudoscalar-vector meson hyperfine splitting with no open flavor and also report a many body field theoretical effort to assess the impact of chiral symmetry in the choice of effective potentials for relativistic quark models. Our calculations predict the missing eta_b meson to have mass near 9400 $MeV$. The radial excitation $eta_c(2S)$ is in agreement with the measurements of the BELLE and most recently BABAR collaborations.
Source:	arXiv, hep-ph/0311246
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